﻿//
// Disposer.cs
//
// Author:
//   Scott Peterson <lunchtimemama@gmail.com>
//
// Copyright (C) 200 S&S Black Ltd.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Net;

using Mono.Upnp.Description;

namespace Mono.Upnp.Internal
{
	class Disposer : IDisposer
	{
        readonly Uri descriptionUrl;
        DeviceDescription rootDevice;

        public Disposer (Uri descriptionUrl)
        {
            this.descriptionUrl = descriptionUrl;
        }

        public void SetRootDevice (DeviceDescription rootDevice)
        {
            this.rootDevice = rootDevice;
        }

        public void TryDispose (ServiceDescription service)
        {
            if (service.IsDisposed) return;

            try {
                // TODO abort retry if the service has become disposed in the meantime.
                Helper.GetResponse (service.ScpdUrl, 3).Close ();
            } catch (WebException e) {
                if (e.Status == WebExceptionStatus.Timeout) {
                    service.Dispose ();
                    TryDisposeRootDevice ();
                }
            }
        }

        public void TryDispose (DeviceDescription device)
        {
            if (device.IsDisposed) return;
            TryDisposeRootDevice ();
        }

        void TryDisposeRootDevice ()
        {
            try {
                // TODO abort retry if the device has become disposed in the meantime.
                Helper.GetResponse (descriptionUrl, 3).Close ();
            } catch (WebException e) {
                if (e.Status == WebExceptionStatus.Timeout) {
                    rootDevice.Dispose ();
                }
            }
        }
	}
}
